Dylusions Dyamond Rocks are ultra thick embossing powders for creating layered effects! Add color, dimension, and texture to art journal, mixed media & paper craft projects. To use: Apply Dyamond Medium to Dyamond Boards. Sprinkle Rocks over the top, tap off excess. Heat to melt. While still hot, add another layer of rocks. Repeat 3 times or to achieve desired thickness. Ink stamp with Dyamond medium and stamp into the hot layers. Leave to cool.